Tapered rubber plugs are excellent for sealing the bottom of aluminum molds. Just fasten wick to the top of the mold, pull tight at base and push small end of rubber plug into hole at base of your mold.
Tapered rubber plugs are excellent for sealing the bottom of aluminum molds. Just fasten wick to the top of the mold, pull tight at base and push small end of rubber plug into hole at base of your mold.